单词	cartographic mask
释义	cartographic mask 制图遮光片
随便看	additive structure additive subfunction additive subfunctions additive subgroup additive subjective map additive substance additive sulfur additive surjective map Additive surjeetive map additive synergism additive synthesis additive system of photographic exposure additive task additive term additive test of lubricating oil additive theorem additive theory additive theory of number additive theory of numbers additive theory of prime numbers additive theory of primes Additive time Additive to Chemicals in Bulk additive to extraction additive transitivity